2PU1

Crystal Structure of the T. brucei enolase complexed with Fluoro-phosphonoacetohydroxamate (FPAH)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1OEP

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	291	10 % (w/v) PEG1000, 0.01 M ZnSO4 or ZnCl2, and 0.1 M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.4	48.82

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.809	α = 90
b = 110.644	β = 90
c = 109.006	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	MAR scanner 345 mm plate	MIRRORS	2004-10-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU ULTRAX 18

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.8	21	99.9	0.056	23.3	7.6	42266	42224	1	1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.8	1.99	100		0.435	4.3	7.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1OEP	1.8	21.04	40063	40063	2132	100	0.16452	0.16233	0.20584	RANDOM	27.921

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
-0.03			-0.04		0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.983
r_dihedral_angle_4_deg	22.314
r_dihedral_angle_3_deg	13.526
r_dihedral_angle_1_deg	9.733
r_scangle_it	4.458
r_scbond_it	2.876
r_mcangle_it	2.364
r_angle_refined_deg	1.611
r_mcbond_it	1.544
r_symmetry_hbond_refined	0.346
r_xyhbond_nbd_refined	0.301
r_nbtor_refined	0.3
r_nbd_refined	0.212
r_symmetry_vdw_refined	0.208
r_chiral_restr	0.113
r_metal_ion_refined	0.043
r_bond_refined_d	0.018
r_gen_planes_refined	0.008
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3308
Nucleic Acid Atoms
Solvent Atoms	354
Heterogen Atoms	27

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345dtb	data collection
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing